diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3e97e863bb4376a4323a0e859a221e7307980a10..13df7886bcdd1678d0be052d206f90b1832ce253 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1076,29 +1076,17 @@ check-first-frame-is-sid:
   script:
     - *print-common-info
     - *update-ltv-repo
-    # Temporary fix to test only SID start config files in this job
+    # this rm makes check-for-testvectors only check for the signals we actually need in this test
     - rm scripts/config/ci_linux_ltv.json scripts/config/ci_linux.json
     - *check-for-testvectors
-    - cmake .
-    - make -j
-
-    - exit_code_no_sba=0
-    - exit_code_hoa=0
-    - exit_code_foa=0
-
-    # run all modes and cut bitstream to start with an SID. Use stereo output to limit runtime, test is only about decoding
-    - ism_md_cmd="--ism_metadata_files /usr/local/ltv/ltvISM1.csv /usr/local/ltv/ltvISM2.csv /usr/local/ltv/ltvISM3.csv /usr/local/ltv/ltvISM4.csv"
-    - modes=$(scripts/runIvasCodec.py -l | grep dtx | grep -vE "FOA|HOA" )
-    - scripts/runIvasCodec.py -z console -p scripts/config/ci_linux_sidstart_test.json -m $modes -s --bs_length 200 -U 0:20 --oc stereo $ism_md_cmd --timeout 10 || exit_code_no_sba=$?
-    - modes=$(scripts/runIvasCodec.py -l | grep dtx | grep -E "HOA")
-    - scripts/runIvasCodec.py -z console -p scripts/config/ci_linux_sidstart_test.json -m $modes -s --bs_length 100 -U 70:80 --oc stereo --timeout 10 || exit_code_hoa=$?
-    - modes=$(scripts/runIvasCodec.py -l | grep dtx | grep "FOA")
-    - scripts/runIvasCodec.py -z console -p scripts/config/ci_linux_sidstart_test.json -m $modes -s --bs_length 100 -U 75:110 --oc stereo --timeout 10 || exit_code_foa=$?
+    - bash ci/run-first-frame-is-sid-test.sh
 
-    - if [ $exit_code_no_sba -ne 0 ] || [ $exit_code_hoa -ne 0 ] || [ $exit_code_foa -ne 0 ]; then exit 1; fi
   artifacts:
     paths:
-      - out/logs
+      - logs_enc
+      - logs_dec_msan
+      - logs_dec_asan
+      - logs_dec_usan
     when: always
     name: "$CI_JOB_NAME--$CI_MERGE_REQUEST_IID--sha-$CI_COMMIT_SHORT_SHA--sidstart"
     expose_as: "logs-sidstart"
diff --git a/ci/run-first-frame-is-sid-test.sh b/ci/run-first-frame-is-sid-test.sh
new file mode 100755
index 0000000000000000000000000000000000000000..fb18eec5ccdb52aa89213678dcd0263d022d8ff6
--- /dev/null
+++ b/ci/run-first-frame-is-sid-test.sh
@@ -0,0 +1,56 @@
+#! /usr/bin/bash
+
+# build encoder without sanitizers for faster runtime
+make clean
+make -j IVAS_cod
+mv IVAS_cod IVAS_cod_nosan
+
+# run all modes and cut bitstream to start with an SID. Use mono output to limit runtime, test is only about decoding the first frame
+modes_no_sba=$(scripts/runIvasCodec.py -l | grep dtx | grep -vE "FOA|HOA" )
+modes_hoa=$(scripts/runIvasCodec.py -l | grep dtx | grep -E "HOA")
+modes_foa=$(scripts/runIvasCodec.py -l | grep dtx | grep "FOA")
+
+# config vars
+testcase_timeout=20
+bitstream_cut_length=5
+common_args="-z console -p scripts/config/ci_linux_sidstart_test.json -s --oc mono --timeout $testcase_timeout --bs_length $bitstream_cut_length"
+
+# first encoder + MSAN decoder
+# hack to use the encoder with no sanitizers
+mkdir CLANG1
+make clean
+make IVAS_dec -j CLANG=1
+cp IVAS_dec CLANG1/IVAS_dec
+cp IVAS_cod_nosan CLANG1/IVAS_cod
+
+exit_code_msan=0
+echo "-------------- 1. Encoder + Msan decoder -------------- "
+echo "-------------- 1.1 all DTX modes except SBA -------------- "
+scripts/IvasBuildAndRunChecks.py --checks CLANG1 -m $modes_no_sba -U 0:20 $common_args || exit_code_msan=$?
+echo "-------------- 1.2 HOA2 + HOA3 DTX modes -------------- "
+scripts/IvasBuildAndRunChecks.py --checks CLANG1 -m $modes_hoa -U 70:80 $common_args || exit_code_msan=$?
+echo "-------------- 1.3 FOA DTX modes -------------- "
+scripts/IvasBuildAndRunChecks.py --checks CLANG1 -m $modes_foa -U 75:110 $common_args || exit_code_msan=$?
+# archive encoder logs separately
+mkdir logs_enc logs_dec_msan
+mv CLANG1/logs/*.enc.txt logs_enc/
+mv CLANG1/logs/*.dec*.txt logs_dec_msan/
+
+# ASAN and USAN can be done in one go and decoder only
+# copy encoder output from CLANG1 dir
+mkdir CLANG2 CLANG3
+cp -r CLANG1/enc CLANG2/enc
+cp -r CLANG1/enc CLANG3/enc
+
+exit_code_asan_usan=0
+echo "-------------- 2. Asan + Usan decoder -------------- "
+echo "-------------- 2.1 all DTX modes except SBA -------------- "
+scripts/IvasBuildAndRunChecks.py --checks CLANG2 CLANG3 --decoder_only -m $modes_no_sba -U 0:20 $common_args || exit_code_asan_usan=$?
+echo "-------------- 2.2 HOA2 + HOA3 DTX modes -------------- "
+scripts/IvasBuildAndRunChecks.py --checks CLANG2 CLANG3 --decoder_only -m $modes_hoa -U 70:80 $common_args || exit_code_asan_usan=$?
+echo "-------------- 2.3 FOA DTX modes -------------- "
+scripts/IvasBuildAndRunChecks.py --checks CLANG2 CLANG3 --decoder_only -m $modes_foa -U 75:110 $common_args || exit_code_asan_usan=$?
+mv CLANG2/logs logs_dec_asan
+mv CLANG3/logs logs_dec_usan
+
+if [ $exit_code_msan -ne 0 ] || [ $exit_code_asan_usan -ne 0 ]; then echo "There was either a crash or a sanitizer error encountered when decoding a bitstream that starts with an SID. Check the artifacts for the logfiles."; exit 1; fi